<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			console.log(parseInt("1234blue"))// 1234
			console.log(parseInt("")) // NaN
			console.log(parseInt("ab")) // NaN
			console.log(parseInt("22.5")) // 22
			console.log(parseInt(0xf)) // 15
			console.log(parseInt(70)) //70
			console.log(parseFloat(12, 10)) // 12
			console.log(parseFloat("ab")) // NaN
		</script>
	</body>
</html>
